That's as far as I'm interested in analyzing it... Its not a spreadsheet, its what I like to do.
There are so many variables in this game, that it is an academic exercise in many ways. One thing I have found though, that in general, people often way underestimate the true and actual costs.
Reason, as always, particularly in aviation, the truth often hurts
For instance, my Bonanza, 29k per annum, based on 90 hours flying per year. That does not include engine/avionics fund. That is an all in cost.....